If all else fails, the for Windows 11 will almost certainly work with your SCX-3401. Download it from HP's website under "Universal Print Drivers."
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Samsung Scx-3401 Printer Driver Download For Windows 11 [patched] May 2026
If all else fails, the for Windows 11 will almost certainly work with your SCX-3401. Download it from HP's website under "Universal Print Drivers."